<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML>
<html>
  <head>
    <title>html过滤器测试</title>
  </head>
  
  <body>
       <form action="${pageContext.request.contextPath}/ServletDemo2" method="post">
           留言:
           <textarea rows="8" cols="70" name="message">
           <script type="text/javascript">
           while(true){
               alert("死循环了，我会不停地弹出了");
           }
           </script>
        <a href="http://www.cnblogs.com">访问博客园</a>
           </textarea>
           <input type="submit" value="发表">
       </form>
  </body>
</html>